The TYROSAFE Project is a Coordination and Support Action (CSA) in the Seventh EU
Framework Programme. The project is aimed at coordinating and preparing for European
harmonisation and optimisation of the assessment and management of essential tyre/road
interaction parameters, to increase safety and support the greening of European road
transport.
This work is being carried out in six work packages (WP), as follows:
WP1: Policies of EU countries for skid resistance / rolling resistance / noise
emissions;
WP2: Harmonisation of skid-resistance test methods and choice of reference;
surfaces
WP3: Road surfaces properties – skid resistance / rolling resistance / noise
emissions;
WP4: Environmental effects and impact of climatic change – skid resistance / rolling
resistance / noise emissions;
WP5: Dissemination and raising awareness;
WP6: Management.
The objective of Work Package 3 is to identify and describe the different parameters of road
surfaces and tyres that are relevant to skid resistance, rolling resistance and noise emission.
The intention is that this should lead to a matrix which clarifies the interdependencies of the
different parameters and contributes to an understanding of how they might be optimised in
the construction of road surfacings in Europe. The Work Package, therefore, will make
recommendations concerning the design of road surfaces with a view to improving road
safety and, by identifying gaps in current knowledge, suggest approaches for further
research into the optimisation of road surfaces.
To achieve this, WP3 has been split into four Tasks, described in the original project plan as:
• Task 3.1 – collecting the knowledge of parameters influencing skid resistance; road
surfaces and tyres will be treated.
• Task 3.2 – collecting the knowledge of parameters influencing rolling resistance
• Task 3.3 – collecting the knowledge of parameters influencing noise emissions
• Task 3.4 – developing matrices which show the interdependencies of the different
parameters, arranging the gap of knowledge and requirements for further research.
This task also includes organising two workshops (one of which was held in May
2009, with the next planned for early December 2009) to obtain input from experts
from different fields and countries.
This report is the main output from Tasks 3.1, 3.2 and 3.3 and constitutes the deliverable
D10. Its main purpose is to review current knowledge about parameters for optimising skid
resistance, rolling resistance and noise emissions for road surfaces and tyres. The ongoing
analysis will be based on the results of both historic and current research related to these
topics identified in this report and on the outcomes of the planned experts’ workshop.
Chapter 2 of the report provides some general background, introducing some important
concepts relating to the influence that the three main aspects (skid resistance, rolling
resistance and noise emissions) have, particularly on road safety. The chapter also
introduces some of the more important parameters relating to road surfaces and tyres that
may need to be optimised. The individual parameters and their particular influence on skid
resistance, rolling resistance and noise are discussed in more detail in Chapters 3, 4 and 5
respectively.
Chapter 6 summarises knowledge of the durability of the different parameters, but mainly
concerning skid resistance. The ideas relating to interactions between the various factors will
be covered later in the project, in Deliverable D14; a full analysis of knowledge gaps and
proposals for further research will be covered later, in D15.
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created: Marco Conter, 14.07.2010 16:01:59 last modified: Marco Conter, 15.07.2010 10:08:10
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